News tagged with optic nerve

Related topics: retina , visual information




Early screenings key to diagnosing glaucoma

New research is emphasizing the importance of regular screenings for glaucoma, a disease that deteriorates the optic nerve over time and is a leading cause of irreversible blindness worldwide. The onset of glaucoma is associated ...

Ophthalmology created May 17, 2013 | popularity not rated yet | comments 0 | with audio podcast

Congenitally absent optic chiasm: Making sense of visual pathways

(Medical Xpress)—One way to increase our understanding of bilateral brains, like our own, is to inspect their paired sensory systems. In our visual system, the optic nerves normally combine at a place called ...

Neuroscience created Apr 15, 2013 | popularity 5 / 5 (2) | comments 0 | with audio podcast report

Engineer invents bionic eye to help the blind

(Medical Xpress)—For UCLA bioengineering professor Wentai Liu, more than two decades of visionary research burst into the headlines last month when the FDA approved what it called "the first bionic eye for the blind." ...

Ophthalmology created Mar 25, 2013 | popularity 5 / 5 (4) | comments 0 | with audio podcast

A 'micro-tap' for treating glaucoma

A tiny, EPFL-designed implantable device that can be positioned within the eye and controlled remotely may well revolutionize the treatment of glaucoma. The device should be through testing this year and ...

Ophthalmology created Mar 25, 2013 | popularity not rated yet | comments 0 | with audio podcast

Brain stent offers alternative to shunt for fixing potentially blinding vein narrowing

A team of interventional neuroradiologists and neurosurgeons at Johns Hopkins reports wide success with a new procedure to treat pseudotumor cerebri, a rare but potentially blinding condition marked by excessive pressure ...

Ophthalmology created Mar 14, 2013 | popularity not rated yet | comments 0

Bionic eye gives hope to the blind

After years of research, the first bionic eye has seen the light of day in the United States, giving hope to the blind around the world.

Ophthalmology created Feb 05, 2013 | popularity 4.5 / 5 (11) | comments 0

DNA analysis reveals genetic variants that make individuals susceptible to form of glaucoma prevalent in Asian countries

Glaucoma is the leading cause of irreversible blindness in the world. A form known as primary open angle glaucoma (POAG) predominantly affects Europeans and Africans, whereas primary closed angle glaucoma ...

Genetics created Jan 30, 2013 | popularity not rated yet | comments 0

NIH urges dilated eye exams to detect glaucoma

The National Eye Institute (NEI), a part of the National Institutes of Health, observes Glaucoma Awareness Month each January by encouraging Americans at higher risk for glaucoma to schedule a comprehensive dilated eye exam ...

Ophthalmology created Jan 15, 2013 | popularity 5 / 5 (1) | comments 0

New stem cell approach for blindness successful in mice (w/ video)

(Medical Xpress)—Blind mice can see again, after Oxford University researchers transplanted developing cells into their eyes and found they could re-form the entire light-sensitive layer of the retina. 

Ophthalmology created Jan 08, 2013 | popularity 5 / 5 (10) | comments 0 | with audio podcast

Researchers identify an early predictor for glaucoma

A new study finds that certain changes in blood vessels in the eye's retina can be an early warning that a person is at increased risk for glaucoma, an eye disease that slowly robs people of their peripheral vision. Using ...

Ophthalmology created Jan 02, 2013 | popularity not rated yet | comments 0

The end of a dogma: Bipolar cells generate action potentials

To make information transmission to the brain reliable, the retina first has to "digitize" the image. Until now, it was widely believed that this step takes place in the retinal ganglion cells, the output ...

Medical research created Dec 19, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Study suggests odds of visual field testing for glaucoma decreased most for Hispanics in past decade

The odds of individuals with open-angle glaucoma undergoing visual field testing decreased for all racial/ethnic groups from 2001 through 2009, but the odds decreased the most for Hispanic men and women in a study of enrollees ...

Ophthalmology created Dec 10, 2012 | popularity not rated yet | comments 0

Rapid eye movements significantly delayed in people with glaucoma

Rapid eye movements are significantly delayed in patients with glaucoma, even those in the early stages of the disease, research has found.

Ophthalmology created Dec 06, 2012 | popularity not rated yet | comments 0

One neuron has huge impact on brain behaviour

(Medical Xpress)—Researchers from Australia and the USA have made a unique discovery about how the brain computes sensory information.

Neuroscience created Nov 15, 2012 | popularity 4.4 / 5 (5) | comments 1 | with audio podcast

Digital tablets improve speed and ease of reading for people with moderate vision loss

People who have eye diseases that damage their central vision can regain the ability to read quickly and comfortably by using digital tablets, according to a recent study. The research found that people with moderate vision ...

Ophthalmology created Nov 11, 2012 | popularity not rated yet | comments 0